package com.gsd.es.test;

import org.apache.http.HttpHost;
import org.elasticsearch.action.get.GetRequest;
import org.elasticsearch.action.get.GetResponse;
import org.elasticsearch.action.search.SearchRequest;
import org.elasticsearch.action.search.SearchResponse;
import org.elasticsearch.client.RequestOptions;
import org.elasticsearch.client.RestClient;
import org.elasticsearch.client.RestHighLevelClient;
import org.elasticsearch.common.unit.Fuzziness;
import org.elasticsearch.index.query.*;
import org.elasticsearch.search.SearchHit;
import org.elasticsearch.search.SearchHits;
import org.elasticsearch.search.aggregations.AggregationBuilder;
import org.elasticsearch.search.aggregations.AggregationBuilders;
import org.elasticsearch.search.builder.SearchSourceBuilder;
import org.elasticsearch.search.fetch.subphase.highlight.HighlightBuilder;
import org.elasticsearch.search.sort.SortOrder;

public class ESTest_Doc_Query {
    public static void main(String[] args) throws Exception{

        RestHighLevelClient esClient = new RestHighLevelClient(
                RestClient.builder(new HttpHost("localhost",9200,"http"))
        );

        //1.查询索引中的全部数据 matchAllQuery
//        SearchRequest request=new SearchRequest();
//        request.indices("user");
//
//        request.source(new SearchSourceBuilder().query(QueryBuilders.matchAllQuery()));
//
//        SearchResponse response = esClient.search(request, RequestOptions.DEFAULT);
//
//        SearchHits hits = response.getHits();
//
//        System.out.println(hits.getTotalHits());
//        System.out.println(response.getTook());
//
//        for (SearchHit hit :hits){
//            System.out.println(hit.getSourceAsString());
//        }

        //2.条件查询 termQuery

//        SearchRequest request=new SearchRequest();
//        request.indices("user");
//
//        request.source(new SearchSourceBuilder().query(QueryBuilders.termQuery("age",30)));
//
//        SearchResponse response = esClient.search(request, RequestOptions.DEFAULT);
//
//        SearchHits hits = response.getHits();
//
//        System.out.println(hits.getTotalHits());
//        System.out.println(response.getTook());
//
//        for (SearchHit hit :hits){
//            System.out.println(hit.getSourceAsString());
//        }

        //3.分页查询
//        SearchRequest request=new SearchRequest();
//        request.indices("user");
//
//        SearchSourceBuilder builder = new SearchSourceBuilder().query(QueryBuilders.matchAllQuery());
//
//        //（当前页码-1）*每页显示数据的条数
//        builder.from(2);
//        builder.size(2);
//        request.source(builder);
//
//        SearchResponse response = esClient.search(request, RequestOptions.DEFAULT);
//
//        SearchHits hits = response.getHits();
//
//        System.out.println(hits.getTotalHits());
//        System.out.println(response.getTook());
//
//        for (SearchHit hit :hits){
//            System.out.println(hit.getSourceAsString());
//        }

        //4.排序查询
//        SearchRequest request=new SearchRequest();
//        request.indices("user");
//
//        SearchSourceBuilder builder = new SearchSourceBuilder().query(QueryBuilders.matchAllQuery());
//        builder.sort("age", SortOrder.DESC);
//        request.source(builder);
//        SearchResponse response = esClient.search(request, RequestOptions.DEFAULT);
//        SearchHits hits = response.getHits();
//
//        System.out.println(hits.getTotalHits());
//        System.out.println(response.getTook());
//
//        for (SearchHit hit :hits){
//            System.out.println(hit.getSourceAsString());
//        }

        //5.过滤查询
//        SearchRequest request=new SearchRequest();
//        request.indices("user");
//
//        SearchSourceBuilder builder = new SearchSourceBuilder().query(QueryBuilders.matchAllQuery());
//        //排除和包含
//        String[] excludes={"age"};
//        String[] includes={};
//        builder.fetchSource(includes,excludes);
//
//        request.source(builder);
//        SearchResponse response = esClient.search(request, RequestOptions.DEFAULT);
//        SearchHits hits = response.getHits();
//
//        System.out.println(hits.getTotalHits());
//        System.out.println(response.getTook());
//
//        for (SearchHit hit :hits){
//            System.out.println(hit.getSourceAsString());
//        }

        //6.组合查询
//        SearchRequest request=new SearchRequest();
//        request.indices("user");
//
//        SearchSourceBuilder builder = new SearchSourceBuilder();
//
//        BoolQueryBuilder boolQueryBuilder = QueryBuilders.boolQuery();
//        boolQueryBuilder.must(QueryBuilders.matchQuery("age",30));
//       // boolQueryBuilder.must(QueryBuilders.matchQuery("sex","男"));//条件：必须是男
//       // boolQueryBuilder.mustNot(QueryBuilders.matchQuery("sex","男"));//条件：不是男
//        boolQueryBuilder.should(QueryBuilders.matchQuery("age",30));
//        boolQueryBuilder.should(QueryBuilders.matchQuery("age",40));
//
//        builder.query(boolQueryBuilder);
//
//        request.source(builder);
//        SearchResponse response = esClient.search(request, RequestOptions.DEFAULT);
//        SearchHits hits = response.getHits();
//
//        System.out.println(hits.getTotalHits());
//        System.out.println(response.getTook());
//
//        for (SearchHit hit :hits){
//            System.out.println(hit.getSourceAsString());
//        }

        //7.范围查询
//        SearchRequest request=new SearchRequest();
//        request.indices("user");
//
//        SearchSourceBuilder builder = new SearchSourceBuilder();
//
//        RangeQueryBuilder rangeQuery = QueryBuilders.rangeQuery("age");
//        rangeQuery.gte(30);//大于30
//        rangeQuery.lte(40);//小于40
//
//        builder.query(rangeQuery);
//
//        request.source(builder);
//        SearchResponse response = esClient.search(request, RequestOptions.DEFAULT);
//        SearchHits hits = response.getHits();
//
//        System.out.println(hits.getTotalHits());
//        System.out.println(response.getTook());
//
//        for (SearchHit hit :hits){
//            System.out.println(hit.getSourceAsString());
//        }

        //8.模糊查询
//        SearchRequest request=new SearchRequest();
//        request.indices("user");
//
//        SearchSourceBuilder builder = new SearchSourceBuilder();
//
//        FuzzyQueryBuilder queryBuilder = QueryBuilders.fuzzyQuery("name", "wangwu").fuzziness(Fuzziness.TWO);
//
//
//        builder.query(queryBuilder);
//
//        request.source(builder);
//        SearchResponse response = esClient.search(request, RequestOptions.DEFAULT);
//        SearchHits hits = response.getHits();
//
//        System.out.println(hits.getTotalHits());
//        System.out.println(response.getTook());
//
//        for (SearchHit hit :hits){
//            System.out.println(hit.getSourceAsString());
//        }

        //9.高亮查询
//        SearchRequest request=new SearchRequest();
//        request.indices("user");
//
//        SearchSourceBuilder builder = new SearchSourceBuilder();
//
//        TermsQueryBuilder termsQueryBuilder = QueryBuilders.termsQuery("name", "zhangsan");
//
//        HighlightBuilder highlightBuilder = new HighlightBuilder();
//        highlightBuilder.preTags("<font color='red'>");
//        highlightBuilder.postTags("</font>");
//        highlightBuilder.field("name");
//        builder.highlighter(highlightBuilder);
//        builder.query(termsQueryBuilder);
//
//        request.source(builder);
//        SearchResponse response = esClient.search(request, RequestOptions.DEFAULT);
//        SearchHits hits = response.getHits();
//
//        System.out.println(hits.getTotalHits());
//        System.out.println(response.getTook());
//
//        for (SearchHit hit :hits){
//            System.out.println(hit.getSourceAsString());
//        }


        //10.聚合查询
//        SearchRequest request=new SearchRequest();
//        request.indices("user");
//
//        SearchSourceBuilder builder = new SearchSourceBuilder();
//
//        AggregationBuilder aggregationBuilder= AggregationBuilders.max("maxAge").field("age");
//        builder.aggregation(aggregationBuilder);
//
//        request.source(builder);
//        SearchResponse response = esClient.search(request, RequestOptions.DEFAULT);
//        SearchHits hits = response.getHits();
//
//        System.out.println(hits.getTotalHits());
//        System.out.println(response.getTook());
//
//        for (SearchHit hit :hits){
//            System.out.println(hit.getSourceAsString());
//        }cd

        //11.分组查询
        SearchRequest request=new SearchRequest();
        request.indices("user");

        SearchSourceBuilder builder = new SearchSourceBuilder();

        AggregationBuilder aggregationBuilder= AggregationBuilders.terms("ageGroup").field("age");
        builder.aggregation(aggregationBuilder);

        request.source(builder);
        SearchResponse response = esClient.search(request, RequestOptions.DEFAULT);
        SearchHits hits = response.getHits();

        System.out.println(hits.getTotalHits());
        System.out.println(response.getTook());

        for (SearchHit hit :hits){
            System.out.println(hit.getSourceAsString());
        }


        esClient.close();

    }
}
